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and a 2-part heart
can be measure AC / DC voltage
Premium Quality: Circular Motion Kit is made of high-grade construction all the way through
For the magnetization of all kinds of magnets and demagnetization of the magnetized materials
Optical Screen and a 2-part heartOptical Screen Premium Quality: Optical Screen is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.
US$ 103.28
US$ 23.47
US$ 21.70
US$ 106.37
US$ 84.07
US$ 159.06
